Stackable fluid regulator



FIG. 1 is a perspective view of a stackable fluid regulator according to the present invention, shown in position of use connected to a second stackable fluid regulator by attaching bolts, wherein the second stackable fluid regulator and attaching bolts are shown in broken lines and included for illustrative purposes only and form no part of the claimed design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof. 

The ornamental design for a stackable fluid regulator, as shown and described. 